Dears, Could you please help me by a good documents that can help me seperate my already exists Oracle 11.5.8 Application installation on one node to be on o multi nodes, i have a one tier for all 'Apps, And DB' run on Windows 2003 Server Enterprise Edition, with Oracle 11.5.8 Release on Database Release 8.1.7.4.1 and i want to sepereate to multi node type, i want to set the database on a seperate tier , also application on a seperate tier and also the Concurrent Manager on a diffrent seperate tier. is it possible? where can i start reading about it? Best Regards Mohamed Mostafa